<template>
  <div class="rank" ref="rank">
    <scroll class="toplist" ref="toplist" :data="topList">
      <ul>
        <li
          class="item"
          v-for="(item, index) in topList"
          :key="index"
          @click="selectItem(item)"
        >
          <div class="icon">
            <img src="" alt="" width="100" height="100" v-lazy="item.picUrl">
          </div>
          <ul class="songlist">
            <li
              class="song"
              v-for="(song, index) in item.songList"
              :key="index"
            >
              <span>{{index + 1}}</span>
              <span>{{song.songname}}-{{song.singername}}</span>
            </li>
          </ul>
        </li>
      </ul>
      <div class="loading-container" v-show="!topList.length">
        <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script>
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import {getTopList} from 'api/rank'
import {ERR_OK} from 'api/config'
import {playlistMixin} from 'common/js/mixin'
import {mapMutations} from 'vuex'
export default {
  mixins: [playlistMixin],
  name: 'rank',
  components: {
    Loading,
    Scroll
  },
  data () {
    return {
      topList: []
    }
  },
  created () {
    this._getTopList()
  },
  methods: {
    ...mapMutations({
      setTopList: 'SET_TOP_LIST'
    }),
    _getTopList () {
      getTopList().then((res) => {
        if (res.code === ERR_OK) {
          this.topList = res.data.topList
          console.log('排行列表', res.data.topList)
        }
      })
    },
    handlePlaylist (playlist) {
      const bottom = playlist.length ? '60px' : ''
      this.$refs.rank.style.bottom = bottom
      this.$refs.toplist.refresh()
    },
    // 点击进入详细页面
    selectItem (item) {
      this.$router.push({
        path: `/rank/${item.id}`
      })
      this.setTopList(item)
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~common/stylus/variable"
  @import "~common/stylus/mixin"
  .rank
    position fixed
    width 100%
    top 88px
    bottom 0
    .toplist
      height 100%
      overflow hidden
      .item
        display flex
        margin 0 20px
        padding-top 20px
        height 100px
        &:last-child
          padding-bottom 20px
        .icon
          flex 0 0 100px
          width 100px
          height 100px
        .songlist
          flex 1
          display flex
          flex-direction column
          justify-content center
          padding 0 20px
          height 100px
          overflow hidden
          background $color-highlight-background
          color $color-text-d
          font-size $font-size-small
          .song
            no-wrap()
            line-height 26px
      .loading-container
        position absolute
        width 100%
        top 50%
        transform translateY(-50%)
</style>
